IC Phoenix logo

Home ›  M  › M115 > MC74AC138MEL

MC74AC138MEL from MOT,Motorola

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

MC74AC138MEL

Manufacturer: MOT, ON

1-of-8 Decoder/Demultiplexer

Partnumber Manufacturer Quantity Availability
MC74AC138MEL MOT, ON 3250 In Stock

Description and Introduction

1-of-8 Decoder/Demultiplexer # **MC74AC138MEL: A High-Performance 3-to-8 Line Decoder for Precision Applications**  

In the realm of digital electronics, efficient signal decoding is crucial for system performance and reliability. The **MC74AC138MEL** stands out as a high-speed, low-power 3-to-8 line decoder/demultiplexer designed to meet the demands of modern circuit design. Engineered with advanced CMOS technology, this component ensures fast signal propagation while maintaining minimal power consumption, making it an ideal choice for a wide range of applications.  

## **Key Features and Benefits**  

### **High-Speed Operation**  
The MC74AC138MEL operates at high speeds, with typical propagation delays of just a few nanoseconds. This makes it suitable for high-frequency digital systems where timing precision is critical.  

### **Low Power Consumption**  
Built using **Advanced CMOS (AC)** technology, the decoder minimizes power dissipation without compromising performance. This efficiency is particularly advantageous in battery-powered and energy-sensitive designs.  

### **Flexible Input and Output Configurations**  
With three binary select inputs (A0, A1, A2), the device decodes an 8-line output (Y0-Y7), enabling efficient signal routing in multiplexing applications. An additional enable input (E1, E2, E3) ensures precise control over decoding operations, preventing unintended outputs.  

### **Wide Operating Voltage Range**  
The MC74AC138MEL supports a broad voltage range (2V to 6V), enhancing compatibility with various logic levels and ensuring seamless integration into mixed-voltage systems.  

### **Robust Noise Immunity**  
The component features strong noise immunity, reducing susceptibility to signal interference—a critical factor in high-speed digital circuits and industrial environments.  

## **Applications**  

The versatility of the MC74AC138MEL makes it indispensable in numerous electronic systems, including:  
- **Memory address decoding** in microprocessors and microcontrollers  
- **Data routing and demultiplexing** in communication systems  
- **Control logic expansion** in embedded designs  
- **Industrial automation and instrumentation** requiring reliable signal selection  

## **Reliability and Packaging**  

Available in a compact **SOIC-16** package, the MC74AC138MEL is designed for space-efficient PCB layouts while ensuring durability under varying environmental conditions. Its robust construction meets industry standards for performance and longevity, making it a dependable choice for both commercial and industrial applications.  

## **Conclusion**  

For engineers and designers seeking a high-performance decoder with speed, efficiency, and reliability, the **MC74AC138MEL** delivers exceptional functionality. Its advanced CMOS architecture, low power consumption, and noise-resistant design make it a preferred solution for digital signal processing, memory interfacing, and control logic applications.  

Whether integrated into consumer electronics, industrial automation, or embedded systems, this decoder ensures precise signal management, contributing to optimized system performance. With its proven track record in digital circuit design, the MC74AC138MEL remains a trusted component for engineers worldwide.

Application Scenarios & Design Considerations

1-of-8 Decoder/Demultiplexer

Alternative Part Number

  • CD74AC138M --: Same AC logic family 3-to-8 line decoder/demultiplexer with active-low outputs, direct functional equivalent in SOIC package.
  • SN74AC138D --: Pin-compatible AC-series 3-to-8 decoder/demultiplexer with identical truth table and active-low enable inputs.
  • 74AC138SC --: Equivalent AC-family 3-to-8 decoder in SOIC, same logic function and pinout, suitable drop-in replacement.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips